package com.lanou3g.k12.service;

import com.lanou3g.k12.entity.CourseLevel;
import com.lanou3g.k12.entity.CourseType;

import java.util.List;

public interface CourseLevelService {
    List<CourseLevel> findAll();

    List<CourseType> findCoursesByLevel(Long id);

    List<CourseType> findByLevelForBackEnd(Long id);
}
